Lightroom: White balance dropper target location is offset on high-DPI Windows devices

  • 13
  • Problem
  • Updated 3 weeks ago
  • Acknowledged
  • (Edited)
There appears to be a bug affecting all recent versions of Lightroom on high-DPI Windows devices. It affects both CC and standalone versions, up to and including the current version (2015.6.1).

The issue is that when using the white balance dropper tool in the Develop module, the target location Lightroom uses does not correspond exactly to where the point of the dropper is located. Specifically, it seems to reference a position about 5 or 6 millimetres above the point of the tool.

The issue also affects the manual defringe dropper in the Lens Corrections panel. Other local develop tools seem not to be affected (brush, spot healing, HSL/Color/B&W picker, etc.).

To be clear: the issue affects Lightroom when the device is used in standard desktop mode with a regular mouse as the pointing device. It is not an issue with the touch screen, the pen or Lightroom's touch mode.

The problem is described in detail with screenshots here (in the original post and in my reply):
https://forums.adobe.com/message/8942657

It's also discussed briefly here:
https://www.reddit.com/r/Lightroom/comments/4wlf4i/lightroom_dropper_bug_on_surface_pro/
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bitrot

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Posted 3 years ago

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Rikk Flohr, Official Rep

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Official Response
I can duplicate it on a Surface book with a 3000 PX display. I will bug it. Thanks for the report. 

The amount of offset varies by the WB Eyedropper Loupe's Scale setting as well. 
(Edited)
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Arnold Bartel

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Rikk, I‘m really disappointed that this issue isn‘t fixed (again in LR8) for meanwhilst two years even though you were able to reproduce the bug!
In my opinion you should really listen to the pro and semi pro users and their performance and usability issues using high end equipment.
It‘s just weird to use pro software and have to guess where your mouse pointer is picking white balance, or where the ruler for the upright mode will be placed...
(Edited)
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Matt Fitt

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So, more than three years since this was officially logged as a known bug. 

IS IT REALLY THAT COMPLEX, FOLKS, OR DID YOU JUST BLOW IT OFF?
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E. Dinur

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In other discussions this bug has been related to as somehow connected to the Surface device or its high dpi display, but I have it on a Dell 23" 1080x1920 monitor attached to a Lenovo Y50-70 laptop running Windows 10 / LR CC 2015 6.6.1. If LR is dragged to the laptop's 4K screen the same digression between the eyedropper symbol and the sampled area as shown in the 5x5 pixels loupe occurs.
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Jack G

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Is there any ETA on a fix for this?
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Fishweasel

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I realize this is an old thread, but I just upgraded to a 4k screen and have this same issue.  Any resolution?  it doesn't seem to be fixed on Lightroom Classic CC either.  Thanks
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Oliver Stein

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I can't believe that this is still unfixed. Any idea when there will be a potential fix for this... it's really annoying.

Thanks a lot!
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John R. Ellis, Champion

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Please do Help > System Info and report the exact version of LR you're running.
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Oliver Stein

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Lightroom Classic-Version: 7.1 [ 1148620 ]
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Arnold Bartel

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I think this thread can be merged with mine https://feedback.photoshop.com/photos... addressing the same annoying issue.
Somehow irritating that it’s still not fixed although LR representatives confirm that they can reproduce it...
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Arnold Bartel

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This reply was created from a merged topic originally titled Lightroom: Mouse cursor shifted on 4k screen.

When using a picking tool in lightroom 2015.12 on a 4k screen (Radeon RX470 video card) the mouse cursor isn't exactly where the functionality takes place (like picking a color or drawing a line to straighten the horizon line).

see screenshots below:
sin
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Oliver Stein

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Just updated to the new version.

Still no change:

Lightroom Classic-Version: 7.3 [ 1164630 ]
OS: Windows 10 - Business Edition
Version: 10.0.16299
Resolution: 3840x2160
Scale 200% (my assumption is that LR can't handle this)

Any chance that this gets fixed soon?
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Matt Fitt

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This reply was created from a merged topic originally titled Lightroom Classic: White Balance Picker / Eyedropper Cursor inexplicably selects ....

In Lightroom, when setting White Balance, the eyedropper cursor inexplicably selects an area which it is neither pointing towards nor touching.

Why doesn’t it select something in the same manner as would an actual eyedropper -- at the very bottom tip -- as it does in Photoshop?

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Lage Sjöblom

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So, when are you going to fix this? How hard can it be?
The problem also applies to the straighten tool in crop & straighten.

Lightroom Classic version: 8.2 [ 1204643 ]
License: Creative Cloud
Language setting: en
Operating system: Windows 10 - Business Edition
Version: 10.0.17134
Application architecture: x64
System architecture: x64
Logical processor count: 12
Processor speed: 3,4 GHz
Built-in memory: 32670,6 MB
Real memory available to Lightroom: 32670,6 MB
Real memory used by Lightroom: 4376,9 MB (13,3%)
Virtual memory used by Lightroom: 5319,6 MB
GDI objects count: 787
USER objects count: 2730
Process handles count: 1903
Memory cache size: 407,0MB
Internal Camera Raw version: 11.2 [ 134 ]
Maximum thread count used by Camera Raw: 5
Camera Raw SIMD optimization: SSE2,AVX,AVX2
Camera Raw virtual memory: 2912MB / 16335MB (17%)
Camera Raw real memory: 2920MB / 32670MB (8%)
System DPI setting: 192 DPI (high DPI mode)
Desktop composition enabled: Yes
Displays: 1) 3840x2160
Input types: Multitouch: No, Integrated touch: No, Integrated pen: No, External touch: No, External pen: No, Keyboard: No

Graphics Processor Info:
DirectX: NVIDIA GeForce GTX 960 (25.21.14.1681)

(Edited)
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Matt Fitt

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I guess there just aren't enough LR folks using high-DPI Windows devices* to make it worth their time & effort.

</sarcasm>
 

*Increasingly, this is most Windows devices, I suspect.
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Dave

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Just upgraded to a 4K display with my home built PC running WIN10 and at that resolution I get this issue too.  Drop down to 1080p and the dropper works perfect.  Incredible that this hasn't been addressed yet.
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Niklas Janke

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I have the same issue now that I upgraded my PC to a matebook x pro with a 3000x2000 screen. I'm still using LR6. If I set the resolution to 1920 in width I can use LR withouth the issue. It's a real bummer though because I chose this laptop because I thought the extra resolution would come in handy when editing my photos. Glad I haven't spent money on any other adobe software so far. It boggles my mind that they have known about this issue for three years and have done nothing to fix it.
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Mathias Birsens

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Same problem here with a HP ZBook 15 G5 (4k display) in Lightroom as well as Photoshop (worse in Photoshop as not even the normal mouse pointer works the way as it should as long as i don't drag the whole program to a HD screen or downscale the built-in screen to HD - then it works like a charm).
This is really a huge disappointment for a product targeted at professionals (I'm freelancing as a visual storyteller and have to rely on Adobe products) which are increasingly using 4k screens. How is it even possible that Adobe knows about this problems for years now and isn't able to fix it? 
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Niklas Janke

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I found that the better workaround for this problem is not changing the resolution of the screen but changing to a smaller value for scaling. The default setting of my Laptop was 200%. I changed it to 175% (the next smaller value) and now it works. That of course means that EVERYTHING on your screen will appear smaller. I've pretty much gotten used to that now. It's crazy though how one bug in one programm forced me to change my entire PC experience.